A thin, circular, metallic or nonmetallic item with a flat or prebulged cross-sectional shape, designed to rupture at a predetermined pressure to prevent damage to hydraulic or pneumatic systems, or the like. It may include multiple pieces, such as a retainer ring, disk and vacuum support. It can be used independently or as a component part of a head, safety, pressure relief. For items furnished with a holder, see head and disk, safety, pressure relief. For items without a rupture pressure rating, see disk, solid, plain. Excludes diaphragm, valve, flat; diaphragm, valve, special shaped; disk, valve; and insulator, disk.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 6650-00-469-2218
NSN 2925-00-315-8442
NSN 6610-00-247-1308
NSN 5895-00-280-7528
NSN 5910-00-797-8726
NSN 6645-01-620-4837
NSN 5935-01-519-8135
NSN 5999-01-329-0309
NSN 6220-00-411-9957
NSN 5950-00-206-3213
NSN 6135-01-645-4653
NSN 6105-01-251-5174